Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 77, NWS Twin Cities, MN

June 17, 2011Kandiyohi County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2011, 7:04 PM CDT for Kandiyohi County, Minnesota. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 17, 2011, 7:04 PM CDT (00:04 UTC)
Expired: Jun 17, 2011, 7:30 PM CDT
In force: 26 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Kandiyohi County, MN

The radar

The Minneapolis radar (KMPX), 120 km from the middle of the area, began a volume at 00:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 117 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1159 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

696 
WUUS53 KMPX 180004
SVRMPX
MNC067-180030-
/O.NEW.KMPX.SV.W.0077.110618T0004Z-110618T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
704 PM CDT FRI JUN 17 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...

* UNTIL 730 PM CDT

* AT 700 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
  THIS STORM WAS LOCATED NEAR PRINSBURG...OR ABOUT 10 MILES SOUTHWEST
  OF WILLMAR...AND MOVING NORTHEAST AT 20 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  WILLMAR...
  RAYMOND...
  BLOMKEST...
  PRIAM...
  SVEA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4520 9515 4502 9489 4498 9482 4490 9511
      4501 9525
TIME...MOT...LOC 0002Z 223DEG 17KT 4500 9513
WIND...HAIL 60MPH 1.00IN

$$

1 follow-up statement

429 
WWUS53 KMPX 180025
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
725 PM CDT FRI JUN 17 2011

MNC067-180030-
/O.CON.KMPX.SV.W.0077.000000T0000Z-110618T0030Z/
KANDIYOHI MN-
725 PM CDT FRI JUN 17 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
KANDIYOHI COUNTY UNTIL 730 PM CDT...

AT 723 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR SVEA...OR 7
MILES SOUTH OF WILLMAR...MOVING NORTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  WILLMAR...SVEA.

LAT...LON 4520 9515 4502 9489 4498 9482 4497 9510
      4501 9525
TIME...MOT...LOC 0024Z 241DEG 13KT 4503 9505
WIND...HAIL 60MPH 1.00IN

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 7:00 PM CDT	Tornado Warning	MPX	Kandiyohi	22 min
Jun 17, 7:50 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	55 min
Jun 17, 7:57 PM CDT	Areal Flood Advisory	MPX	Kandiyohi	3 hr
Jun 17, 7:57 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	33 min
Jun 17, 8:18 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	27 min
Jun 17, 8:25 PM CDT	Areal Flood Warning	MPX	Kandiyohi	6 hr
Jun 17, 8:47 PM CDT	Special Weather Statement	MPX	Big Stone	58 min
Jun 17, 9:33 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	57 min
Jun 17, 9:55 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Yellow Medicine	35 min
Jun 17, 10:09 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Scott, Sibley	66 min
Jun 17, 10:22 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville, Swift, Yellow Medicine	53 min
Jun 17, 10:42 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott, Sibley	48 min
Jun 17, 11:25 PM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker, Stearns	65 min
Jun 17, 11:34 PM CDT	Special Weather Statement	MPX	Dakota	56 min
Jun 18, 12:09 AM CDT	Special Weather Statement	MPX	Benton, Meeker, Stearns	51 min
Jun 18, 12:21 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Sherburne, Stearns	54 min
Jun 18, 6:38 AM CDT	Special Weather Statement	MPX	Dakota	37 min
Jun 18, 11:58 AM CDT	Flood Watch	MPX	Anoka, Blue Earth, Brown, Carver, Chisago, Dakota and 14 more	20 hr
Jun 18, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	44 min
Jun 18, 4:28 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	47 min
Jun 18, 5:22 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	53 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.